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path: root/servers/audio/effects/audio_effect_compressor.cpp
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Diffstat (limited to 'servers/audio/effects/audio_effect_compressor.cpp')
-rw-r--r--servers/audio/effects/audio_effect_compressor.cpp152
1 files changed, 72 insertions, 80 deletions
diff --git a/servers/audio/effects/audio_effect_compressor.cpp b/servers/audio/effects/audio_effect_compressor.cpp
index c08302c58e..8b67353229 100644
--- a/servers/audio/effects/audio_effect_compressor.cpp
+++ b/servers/audio/effects/audio_effect_compressor.cpp
@@ -29,11 +29,10 @@
#include "audio_effect_compressor.h"
#include "servers/audio_server.h"
-void AudioEffectCompressorInstance::process(const AudioFrame *p_src_frames,AudioFrame *p_dst_frames,int p_frame_count) {
-
+void AudioEffectCompressorInstance::process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count) {
float treshold = Math::db2linear(base->treshold);
- float sample_rate=AudioServer::get_singleton()->get_mix_rate();
+ float sample_rate = AudioServer::get_singleton()->get_mix_rate();
float ratatcoef = exp(-1 / (0.00001f * sample_rate));
float ratrelcoef = exp(-1 / (0.5f * sample_rate));
@@ -49,35 +48,35 @@ void AudioEffectCompressorInstance::process(const AudioFrame *p_src_frames,Audio
const AudioFrame *src = p_src_frames;
- if (base->sidechain!=StringName() && current_channel!=-1) {
+ if (base->sidechain != StringName() && current_channel != -1) {
int bus = AudioServer::get_singleton()->thread_find_bus_index(base->sidechain);
- if (bus>=0) {
- src = AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus,current_channel);
+ if (bus >= 0) {
+ src = AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus, current_channel);
}
}
- for(int i=0;i<p_frame_count;i++) {
+ for (int i = 0; i < p_frame_count; i++) {
AudioFrame s = src[i];
//convert to positive
s.l = Math::abs(s.l);
s.r = Math::abs(s.r);
- float peak = MAX(s.l,s.r);
+ float peak = MAX(s.l, s.r);
- float overdb = 2.08136898f * Math::linear2db(peak/treshold);
+ float overdb = 2.08136898f * Math::linear2db(peak / treshold);
- if (overdb<0.0) //we only care about what goes over to compress
- overdb=0.0;
+ if (overdb < 0.0) //we only care about what goes over to compress
+ overdb = 0.0;
- if(overdb-rundb>5) // diffeence is too large
+ if (overdb - rundb > 5) // diffeence is too large
averatio = 4;
- if(overdb > rundb) {
+ if (overdb > rundb) {
rundb = overdb + atcoef * (rundb - overdb);
runratio = averatio + ratatcoef * (runratio - averatio);
- } else {
+ } else {
rundb = overdb + relcoef * (rundb - overdb);
runratio = averatio + ratrelcoef * (runratio - averatio);
}
@@ -87,52 +86,47 @@ void AudioEffectCompressorInstance::process(const AudioFrame *p_src_frames,Audio
float cratio;
- if(false) { //rato all-in
+ if (false) { //rato all-in
cratio = 12 + averatio;
} else {
cratio = base->ratio;
}
- float gr = -overdb * (cratio-1)/cratio;
+ float gr = -overdb * (cratio - 1) / cratio;
float grv = Math::db2linear(gr);
- runmax = maxover + relcoef * (runmax - maxover); // highest peak for setting att/rel decays in reltime
+ runmax = maxover + relcoef * (runmax - maxover); // highest peak for setting att/rel decays in reltime
maxover = runmax;
if (grv < gr_meter) {
- gr_meter=grv;
+ gr_meter = grv;
} else {
- gr_meter*=gr_meter_decay;
- if(gr_meter>1)
- gr_meter=1;
+ gr_meter *= gr_meter_decay;
+ if (gr_meter > 1)
+ gr_meter = 1;
}
-
- p_dst_frames[i] = p_src_frames[i] * grv * makeup * mix + p_src_frames[i] * (1.0-mix);
-
+ p_dst_frames[i] = p_src_frames[i] * grv * makeup * mix + p_src_frames[i] * (1.0 - mix);
}
-
}
-
Ref<AudioEffectInstance> AudioEffectCompressor::instance() {
Ref<AudioEffectCompressorInstance> ins;
ins.instance();
- ins->base=Ref<AudioEffectCompressor>(this);
- ins->rundb=0;
- ins->runratio=0;
- ins->averatio=0;
- ins->runmax=0;
- ins->maxover=0;
- ins->gr_meter=1.0;
- ins->current_channel=-1;
+ ins->base = Ref<AudioEffectCompressor>(this);
+ ins->rundb = 0;
+ ins->runratio = 0;
+ ins->averatio = 0;
+ ins->runmax = 0;
+ ins->maxover = 0;
+ ins->gr_meter = 1.0;
+ ins->current_channel = -1;
return ins;
}
-
void AudioEffectCompressor::set_treshold(float p_treshold) {
- treshold=p_treshold;
+ treshold = p_treshold;
}
float AudioEffectCompressor::get_treshold() const {
@@ -142,7 +136,7 @@ float AudioEffectCompressor::get_treshold() const {
void AudioEffectCompressor::set_ratio(float p_ratio) {
- ratio=p_ratio;
+ ratio = p_ratio;
}
float AudioEffectCompressor::get_ratio() const {
@@ -151,7 +145,7 @@ float AudioEffectCompressor::get_ratio() const {
void AudioEffectCompressor::set_gain(float p_gain) {
- gain=p_gain;
+ gain = p_gain;
}
float AudioEffectCompressor::get_gain() const {
@@ -160,7 +154,7 @@ float AudioEffectCompressor::get_gain() const {
void AudioEffectCompressor::set_attack_us(float p_attack_us) {
- attack_us=p_attack_us;
+ attack_us = p_attack_us;
}
float AudioEffectCompressor::get_attack_us() const {
@@ -169,7 +163,7 @@ float AudioEffectCompressor::get_attack_us() const {
void AudioEffectCompressor::set_release_ms(float p_release_ms) {
- release_ms=p_release_ms;
+ release_ms = p_release_ms;
}
float AudioEffectCompressor::get_release_ms() const {
@@ -178,17 +172,17 @@ float AudioEffectCompressor::get_release_ms() const {
void AudioEffectCompressor::set_mix(float p_mix) {
- mix=p_mix;
+ mix = p_mix;
}
float AudioEffectCompressor::get_mix() const {
return mix;
}
-void AudioEffectCompressor::set_sidechain(const StringName& p_sidechain) {
+void AudioEffectCompressor::set_sidechain(const StringName &p_sidechain) {
AudioServer::get_singleton()->lock();
- sidechain=p_sidechain;
+ sidechain = p_sidechain;
AudioServer::get_singleton()->unlock();
}
@@ -197,59 +191,57 @@ StringName AudioEffectCompressor::get_sidechain() const {
return sidechain;
}
-void AudioEffectCompressor::_validate_property(PropertyInfo& property) const {
+void AudioEffectCompressor::_validate_property(PropertyInfo &property) const {
- if (property.name=="sidechain") {
+ if (property.name == "sidechain") {
- String buses="";
- for(int i=0;i<AudioServer::get_singleton()->get_bus_count();i++) {
- buses+=",";
- buses+=AudioServer::get_singleton()->get_bus_name(i);
+ String buses = "";
+ for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
+ buses += ",";
+ buses += AudioServer::get_singleton()->get_bus_name(i);
}
- property.hint_string=buses;
+ property.hint_string = buses;
}
}
void AudioEffectCompressor::_bind_methods() {
- ClassDB::bind_method(D_METHOD("set_treshold","treshold"),&AudioEffectCompressor::set_treshold);
- ClassDB::bind_method(D_METHOD("get_treshold"),&AudioEffectCompressor::get_treshold);
-
- ClassDB::bind_method(D_METHOD("set_ratio","ratio"),&AudioEffectCompressor::set_ratio);
- ClassDB::bind_method(D_METHOD("get_ratio"),&AudioEffectCompressor::get_ratio);
+ ClassDB::bind_method(D_METHOD("set_treshold", "treshold"), &AudioEffectCompressor::set_treshold);
+ ClassDB::bind_method(D_METHOD("get_treshold"), &AudioEffectCompressor::get_treshold);
- ClassDB::bind_method(D_METHOD("set_gain","gain"),&AudioEffectCompressor::set_gain);
- ClassDB::bind_method(D_METHOD("get_gain"),&AudioEffectCompressor::get_gain);
+ ClassDB::bind_method(D_METHOD("set_ratio", "ratio"), &AudioEffectCompressor::set_ratio);
+ ClassDB::bind_method(D_METHOD("get_ratio"), &AudioEffectCompressor::get_ratio);
- ClassDB::bind_method(D_METHOD("set_attack_us","attack_us"),&AudioEffectCompressor::set_attack_us);
- ClassDB::bind_method(D_METHOD("get_attack_us"),&AudioEffectCompressor::get_attack_us);
+ ClassDB::bind_method(D_METHOD("set_gain", "gain"), &AudioEffectCompressor::set_gain);
+ ClassDB::bind_method(D_METHOD("get_gain"), &AudioEffectCompressor::get_gain);
- ClassDB::bind_method(D_METHOD("set_release_ms","release_ms"),&AudioEffectCompressor::set_release_ms);
- ClassDB::bind_method(D_METHOD("get_release_ms"),&AudioEffectCompressor::get_release_ms);
+ ClassDB::bind_method(D_METHOD("set_attack_us", "attack_us"), &AudioEffectCompressor::set_attack_us);
+ ClassDB::bind_method(D_METHOD("get_attack_us"), &AudioEffectCompressor::get_attack_us);
- ClassDB::bind_method(D_METHOD("set_mix","mix"),&AudioEffectCompressor::set_mix);
- ClassDB::bind_method(D_METHOD("get_mix"),&AudioEffectCompressor::get_mix);
+ ClassDB::bind_method(D_METHOD("set_release_ms", "release_ms"), &AudioEffectCompressor::set_release_ms);
+ ClassDB::bind_method(D_METHOD("get_release_ms"), &AudioEffectCompressor::get_release_ms);
- ClassDB::bind_method(D_METHOD("set_sidechain","sidechain"),&AudioEffectCompressor::set_sidechain);
- ClassDB::bind_method(D_METHOD("get_sidechain"),&AudioEffectCompressor::get_sidechain);
+ ClassDB::bind_method(D_METHOD("set_mix", "mix"), &AudioEffectCompressor::set_mix);
+ ClassDB::bind_method(D_METHOD("get_mix"), &AudioEffectCompressor::get_mix);
- ADD_PROPERTY(PropertyInfo(Variant::REAL,"treshold",PROPERTY_HINT_RANGE,"-60,0,0.1"),"set_treshold","get_treshold");
- ADD_PROPERTY(PropertyInfo(Variant::REAL,"ratio",PROPERTY_HINT_RANGE,"1,48,0.1"),"set_ratio","get_ratio");
- ADD_PROPERTY(PropertyInfo(Variant::REAL,"gain",PROPERTY_HINT_RANGE,"-20,20,0.1"),"set_gain","get_gain");
- ADD_PROPERTY(PropertyInfo(Variant::REAL,"attack_us",PROPERTY_HINT_RANGE,"20,2000,1"),"set_attack_us","get_attack_us");
- ADD_PROPERTY(PropertyInfo(Variant::REAL,"release_ms",PROPERTY_HINT_RANGE,"20,2000,1"),"set_release_ms","get_release_ms");
- ADD_PROPERTY(PropertyInfo(Variant::REAL,"mix",PROPERTY_HINT_RANGE,"0,1,0.01"),"set_mix","get_mix");
- ADD_PROPERTY(PropertyInfo(Variant::REAL,"sidechain",PROPERTY_HINT_ENUM),"set_sidechain","get_sidechain");
+ ClassDB::bind_method(D_METHOD("set_sidechain", "sidechain"), &AudioEffectCompressor::set_sidechain);
+ ClassDB::bind_method(D_METHOD("get_sidechain"), &AudioEffectCompressor::get_sidechain);
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "treshold", PROPERTY_HINT_RANGE, "-60,0,0.1"), "set_treshold", "get_treshold");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "ratio", PROPERTY_HINT_RANGE, "1,48,0.1"), "set_ratio", "get_ratio");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "gain", PROPERTY_HINT_RANGE, "-20,20,0.1"), "set_gain", "get_gain");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "attack_us", PROPERTY_HINT_RANGE, "20,2000,1"), "set_attack_us", "get_attack_us");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "release_ms", PROPERTY_HINT_RANGE, "20,2000,1"), "set_release_ms", "get_release_ms");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "mix", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_mix", "get_mix");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "sidechain", PROPERTY_HINT_ENUM), "set_sidechain", "get_sidechain");
}
-AudioEffectCompressor::AudioEffectCompressor()
-{
- treshold=0;
- ratio=4;
- gain=0;
- attack_us=20;
- release_ms=250;
- mix=1;
+AudioEffectCompressor::AudioEffectCompressor() {
+ treshold = 0;
+ ratio = 4;
+ gain = 0;
+ attack_us = 20;
+ release_ms = 250;
+ mix = 1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 05:58:50 +0000